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data.go
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/
data.go
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package site
import (
"encoding/csv"
"encoding/json"
"os"
"path/filepath"
"github.com/osteele/gojekyll/utils"
)
func (s *Site) readDataFiles() error {
s.data = map[string]interface{}{}
dataDir := filepath.Join(s.SourceDir(), s.cfg.DataDir)
files, err := os.ReadDir(dataDir)
if err != nil {
if os.IsNotExist(err) {
return nil
}
return err
}
for _, f := range files {
if f.IsDir() {
break
}
var (
filename = filepath.Join(dataDir, f.Name())
basename = utils.TrimExt(filepath.Base(f.Name()))
data, err = readDataFile(filename)
)
if err != nil {
return utils.WrapPathError(err, filename)
}
if data != nil {
s.data[basename] = data
}
}
return nil
}
func readDataFile(filename string) (interface{}, error) {
switch filepath.Ext(filename) {
case ".csv":
f, err := os.Open(filename)
if err != nil {
return nil, err
}
defer f.Close() // nolint: errcheck
r := csv.NewReader(f)
return r.ReadAll()
case ".json":
b, err := os.ReadFile(filename)
if err != nil {
return nil, err
}
var d interface{}
err = json.Unmarshal(b, &d)
return d, err
case ".yaml", ".yml":
b, err := os.ReadFile(filename)
if err != nil {
return nil, err
}
var d interface{}
err = utils.UnmarshalYAMLInterface(b, &d)
return d, err
}
return nil, nil
}